3641731 has 2 divisors, whose sum is σ = 3641732. Its totient is φ = 3641730.

The previous prime is 3641707. The next prime is 3641753. The reversal of 3641731 is 1371463.

3641731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3641731 - 2⁹ = 3641219 is a prime.

It is a super-2 number, since 2×3641731² = 26524409352722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3641696 and 3641705.

It is not a weakly prime, because it can be changed into another prime (3641431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820865 + 1820866.

It is an arithmetic number, because the mean of its divisors is an integer number (1820866).

Almost surely, 2^3641731 is an apocalyptic number.

3641731 is a deficient number, since it is larger than the sum of its proper divisors (1).

3641731 is an equidigital number, since it uses as much as digits as its factorization.

3641731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 25.

The square root of 3641731 is about 1908.3319941771. The cubic root of 3641731 is about 153.8518139392.

The spelling of 3641731 in words is "three million, six hundred forty-one thousand, seven hundred thirty-one".